Plaquette or square medal by Cristoforo Foppa (d. 1527)Gian Giacomo Trivulzio.Wellhead with the armorial devices of Trivulzio and Sforza (Palazzo Trivulzio, Milan)
Gian Giacomo Trivulzio (1440 or 1441 – 5 December 1518) was an Italian aristocrat and condottiero who held several military commands during the Italian Wars.